Ae毛片家庭乱能视频免费|人妻春色欧美另类|超碰97人人模人人爽人人爱|唐嫣一级婬片A片AAA|丁香亭亭在线视频|91视频一级片|A片视频一区亚洲色天使|久久欧洲成人精品无码区|av免费在线导航|黄片91视频超碰91av

The machine is a high-precision automatic CNC machining equipment suitable for grinding wheel diameter 900mm or less and thickness of 300mm or less. There are two stations for processing, loading and unloading, automatic centering to find the grinding wheel, one clamping, two grinding heads to process the inner and outer circles at the same time, strictly guarantee the coaxiality and precision of the inner and outer circle.